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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __TREMOLO_H__
#define __TREMOLO_H__
#include "symbol.h"
class QPainter;
namespace Ms {
class Chord;
// Tremolo subtypes:
enum class TremoloType : char {
OLD_R8 = 0,
OLD_R16,
OLD_R32,
OLD_C8,
OLD_C16,
OLD_C32,
R8=6, R16, R32, R64, // one note tremolo (repeat)
C8, C16, C32, C64 // two note tremolo (change)
};
//---------------------------------------------------------
// @@ Tremolo
//---------------------------------------------------------
class Tremolo : public Element {
Q_OBJECT
TremoloType _tremoloType;
Chord* _chord1;
Chord* _chord2;
QPainterPath path;
int _lines; // derived from _subtype
public:
Tremolo(Score*);
Tremolo(const Tremolo&);
Tremolo &operator=(const Tremolo&) = delete;
virtual Tremolo* clone() const { return new Tremolo(*this); }
virtual Element::Type type() const { return Element::Type::TREMOLO; }
virtual int subtype() const { return (int) _tremoloType; }
virtual QString subtypeName() const;
QString tremoloTypeName() const;
void setTremoloType(const QString& s);
void setTremoloType(TremoloType t);
TremoloType tremoloType() const { return _tremoloType; }
virtual qreal mag() const;
virtual void draw(QPainter*) const;
virtual void layout();
virtual void write(Xml& xml) const;
virtual void read(XmlReader&);
Chord* chord1() const { return _chord1; }
Chord* chord2() const { return _chord2; }
void setChords(Chord* c1, Chord* c2) {
_chord1 = c1;
_chord2 = c2;
}
Fraction tremoloLen() const;
bool twoNotes() const { return tremoloType() > TremoloType::R64; } // is it a two note tremolo?
int lines() const { return _lines; }
virtual QString accessibleInfo() override;
};
} // namespace Ms
#endif
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